Platform safety door



FIG. 1 is a perspective view of the platform safety door;

FIG. 2 is a front view of the platform safety door for which the back view is a mirror image;

FIG. 3 is a left side view of the platform safety door for which the right side view is a mirror image;

FIG. 4 is a top view of the platform safety door;

FIG. 5 is a bottom view of the platform safety door;

FIG. 6 is a magnified view of the part 6-6 of the front view shown in FIG. 2;

FIG. 7 is a magnified view of the part 7-7 of the bottom view shown in FIG. 5;

FIG. 8 is a depiction of FIG. 1 in a state when the two screens are elevated to overlap one another; and,

FIG. 9 is a depiction of FIG. 2 in a state when a train stops beside the platform. 

CLAIM The ornamental design for a platform safety door, as shown and described. 